@mixin aui-dropdown-create-dropdown-default-style() {
    @include aui-use-component-selector($aui-vue-components, "dropdown") {
        $self: #{&};
        &--default {
            display: inline-block;
            position: relative;
            .aui-button {
                border: 1px solid $aui-brand-gray;
                padding: 5px 10px;
                .aui-caret:after {
                    content: "";
                    @include aui-mixin-caret(bottom, 5px, #000);
                    display: inline-block;
                    margin-left: 3px;
                    vertical-align: middle;
                    margin-top: -3px
                }
                &:focus {
                    border: 1px solid $aui-brand-info;
                }
            }

            @include aui-use-component-selector($aui-vue-components, "dropdown-menu") {
                position: absolute;
                top: 100%;
                left: 0;
                max-height: 120px;
                overflow: auto;
                min-width: 100%;
            }

            @include aui-use-component-selector($aui-vue-components, "dropdown-item") {
                color: $aui-brand-dark;
                white-space: nowrap;     // 英文字符在position:absolute时会自动换行 需设置在一行
                &:hover {
                    background-color: transparentize($aui-brand-info, 0.3);
                    color: #ffffff;
                }
                padding: $aui-gutter-xs $aui-gutter-sm;
            }

            &[aui-active] {
                @include aui-use-component-selector($aui-vue-components, "dropdown-menu") {
                    display: inline-block;
                }
            }
        }
    }

}